<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
<div id="vue">
    单选按钮：
    <input type="radio" id="one" value="one" v-model="picked">
    <label for="one">One</label>
    <input type="radio" id="two" value="two" v-model="picked">
    <label for="two">Two</label>
    <span>选中的值：{{picked}}</span>
</div>

<script type="text/javascript">
    var vm = new Vue({
        el: '#vue',
        data: {
            picked: ''
        }
    });
</script>
</body>
</html>